.box1 {
    padding-top: 50px;
    width: 1226px;
    height: 700px;
}

.box2 {
    width: 800px;
    height: 600px;
    /*border: 1px solid #666;*/
    padding: 80px 200px 80px 200px;
}

.box3 {
    width: 100%;
    height: 100%;
    border: 1px solid #666;
    text-align: center;
    font-size: 14px;
    padding: 80px 50px;
}

.box3 ul li {
    width: 100%;
    height: 50px;
    /*border: 1px solid #666;*/
    margin: 10px 0;
    padding: 5px 20px;
}

.user,.pwd {
    display: block;
    width: 250px;
    height: 40px;
    border: 1px solid #666;
    padding-left: 10px;
}

.box3 ul li:nth-child(3) div {
    height: 40px;
    padding: 0 10px;
    /*border: 1px solid #666;*/
    line-height: 40px;
}

.box3 ul li:nth-child(3) div:nth-child(1) {
    float: left;
}

.box3 ul li:nth-child(3) div:nth-child(2) {
    float: right;
}

.button {
    margin-left: -10px;
    width: 250px;
    height: 40px;
    border: 1px solid #666;
}

.button:hover {
    background-color: #00e1ff;
    color: #fff;
}

.box3 ul li:nth-child(5) {
    margin-top: -20px;
    padding-left: 10px;
    font-size: 12px;
    /*border: 1px solid #666;*/
}